Simple UV Counterfeit-Money Detector
This simple project uses ultraviolet light to detect counterfeit $5, $10, $20, $50 and $100 US bills.
This simple project uses ultraviolet light to detect counterfeit $5, $10, $20, $50 and $100 US bills.
Using a light sensor, some wire, and LEDs you can easily create an automatic night light that will turn on when you turn off the lights.
This project guide explains how to build an operating railroad grade crossing signal controller (GCSC) for controlling a simulated railroad crossing signal that has working flashing lamps and striking bell. Just like the real thing! This board was also designed with hacking in mind. Due to the on-board 5 VDC power supply and extensive breakout […]
This fume extractor is based on the mini fume extractor that was made by Marc de Vinck. This is basically a fume extractor mounted onto a third-hand tool. In other words, this is just a thing you can do with the mini fume extractor. If you want a fume extractor to be 1-5 inches away […]
Last year we ran a cool CoasterBot build project and contest on MAKE. We had dozens of awesome entries, from the most basic to the quite elaborate. This Make: Project shows you how to make just about the simplest CoasterBot imaginable. From here you can add new sensors and features and build on the basic […]